20885716

素因数分解:

$2^2\times {\mathrm{151}}^2\times {\mathrm{229}}^1$

素因数の和:535

約数の個数: 18

約数和(自身を含む): 36954330

約数和(自身を除く): 16068614

約数列:

[1, 2, 4, 151, 229, 302, 458, 604, 916, 22801, 34579, 45602, 69158, 91204, 138316, 5221429, 10442858, 20885716]

約数ペア:

[(1, 20885716), (2, 10442858), (4, 5221429), (151, 138316), (229, 91204), (302, 69158), (458, 45602), (604, 34579), (916, 22801)]